2026ewa results

Information

Transient
Name:SN2026ewa
Right ascension: 13h11m03.49s
Declination:49d06m32.06s
Discovery Date:March 5, 2026, 11:13 a.m.
Classification:SN Ia-CSM
Redshift:0.056000
MW E(B-V):0.008
Host
Name:2333743
Right ascension: 13h11m03.10s
Declination:49d06m31.81s
Redshift:0.055999
Photometric Redshift:None
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
GALEX_NUV
GALEX_FUV
PanSTARRS_g
PanSTARRS_r
PanSTARRS_i
PanSTARRS_z
PanSTARRS_y
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_g
DES_z
 DES_r
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processing 18.8
Transient MWEBV not processed 0.11
Host match not processed 4.6
Host information not processed 0.04
Host MWEBV not processed 0.04
Global aperture construction not processed 0.72
Global aperture photometry not processed 5.75
Validate global photometry not processed 17.94
Global host SED inference not processed 382.32
Local aperture photometry not processed 5.6
Validate local photometry not processed 0.03
Local host SED inference not processed 445.58
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):13h11m03.46s, 49d06m32.26s
semi major axis, semi minor axis (arcsec):1.84, 1.84
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 22.02 1.71 20.543 0.084 AB
SDSS_g 71.2 2.23 19.269 0.034 AB
DES_g 71.1 0.64 19.270 0.010 AB
PanSTARRS_g 73.09 0.43 19.240 0.006 AB
SDSS_r 119.71 2.94 18.705 0.027 AB
PanSTARRS_r 115.86 0.58 18.740 0.005 AB
SDSS_i 160.83 3.54 18.384 0.024 AB
PanSTARRS_i 158.29 0.81 18.401 0.006 AB
PanSTARRS_z 179.34 1.35 18.266 0.008 AB
SDSS_z 204.25 6.2 18.125 0.033 AB
DES_z 199.11 2.74 18.152 0.015 AB
PanSTARRS_y 215.72 2.88 18.065 0.015 AB

Aperture details

RA, DEC (J2000):13h11m03.11s, 49d06m31.49s
semi major axis, semi minor axis (arcsec):12.73, 10.33
angle (degrees, anti-clockwise from east):-31.64
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 81.11 1.23 19.127 0.016 AB
GALEX_NUV 126.77 0.68 18.642 0.006 AB
SDSS_u 307.4 9.02 17.681 0.032 AB
SDSS_g 925.69 8.39 16.484 0.010 AB
DES_g 941.0 2.36 16.466 0.003 AB
PanSTARRS_g 999.05 2.57 16.401 0.003 AB
SDSS_r 1559.32 11.31 15.918 0.008 AB
PanSTARRS_r 1612.81 3.41 15.881 0.002 AB
SDSS_i 2111.22 14.48 15.589 0.007 AB
PanSTARRS_i 2199.84 4.89 15.544 0.002 AB
PanSTARRS_z 2484.92 8.26 15.412 0.004 AB
SDSS_z 2736.02 34.03 15.307 0.014 AB
DES_z 2520.27 10.21 15.396 0.004 AB
PanSTARRS_y 3008.64 17.8 15.204 0.006 AB
2MASS_J 3613.04 267.29 14.110 0.080 Vega
2MASS_H 3983.28 479.5 13.532 0.131 Vega
2MASS_K 3463.9 431.97 13.213 0.135 Vega
WISE_W1 1770.49 26.5 13.081 0.016 Vega
WISE_W2 1092.74 29.8 12.965 0.030 Vega
WISE_W3 4504.48 107.55 9.592 0.026 Vega
WISE_W4 4116.74 743.48 8.244 0.196 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.182 9.334 9.464
{\rm log}_{10}({\rm SFR}) -1.490 -0.789 -0.054
{\rm log}_{10}({\rm sSFR}) -10.855 -10.069 -9.375
{\rm stellar\ age} 4.055 6.612 8.223

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.543 -0.847 -0.397
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.490 -0.229 0.296

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.294 0.660 1.112
\delta -0.509 -0.172 0.127
\tau_1/\tau_2 0.686 1.049 1.425
Q_{PAH} 0.864 3.001 5.346
U_{min} 2.829 8.028 15.152
{\rm log}_{10}(\gamma_e)\, -3.231 -2.152 -0.956

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.588 -1.663 -0.362
{\rm log}_{10}(\tau_{AGN})\, 1.026 1.560 1.970

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.785 -1.122 -0.675
0.03-0.10 Gyr -1.604 -0.720 0.081
0.10-0.33 Gyr -1.552 -0.665 -0.070
0.33-1.08 Gyr -1.720 -0.778 -0.315
1.08-3.56 Gyr -1.474 -0.667 -0.364
3.56-11.71 Gyr -1.359 -0.632 -0.412
11.71-13.01 Gyr -1.442 -0.606 0.011

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.461 10.500 10.558
{\rm log}_{10}({\rm SFR}) 0.283 0.494 0.722
{\rm log}_{10}({\rm sSFR}) -10.241 -10.026 -9.767
{\rm stellar\ age} 7.277 7.974 9.967

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.631 -0.464 -0.350
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.161 0.284 0.397

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.167 0.252 0.378
\delta -0.676 -0.422 -0.194
\tau_1/\tau_2 0.671 1.019 1.346
Q_{PAH} 1.010 1.942 3.103
U_{min} 2.731 7.470 14.545
{\rm log}_{10}(\gamma_e)\, -2.478 -1.782 -1.187

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.283 -3.194 -2.260
{\rm log}_{10}(\tau_{AGN})\, 1.091 1.591 1.968

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.064 0.121 0.268
0.03-0.10 Gyr 0.337 0.594 0.859
0.10-0.33 Gyr -0.351 0.152 0.463
0.33-1.08 Gyr -0.564 -0.053 0.181
1.08-3.56 Gyr -0.509 0.049 0.362
3.56-11.71 Gyr 0.395 0.659 0.745
11.71-13.01 Gyr 0.369 0.874 1.449